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188681610736488 = 23341191749604407
BaseRepresentation
bin101010111001101011011100…
…011000100011001101101000
3220202001210012212101222100010
4222321223130120203031220
5144212324414322031423
61505143045123011520
754512540131046412
oct5271533430431550
9822053185358303
10188681610736488
1155135470383301
12191b3915809ba0
1381387a428621c
14348434ad519b2
1516c3095aca693
hexab9adc623368

188681610736488 has 32 divisors (see below), whose sum is σ = 483209003108160. Its totient is φ = 61359873409920.

The previous prime is 188681610736477. The next prime is 188681610736513. The reversal of 188681610736488 is 884637016186881.

188681610736488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95874801220 + ... + 95874803187.

It is an arithmetic number, because the mean of its divisors is an integer number (15100281347130).

Almost surely, 2188681610736488 is an apocalyptic number.

It is an amenable number.

188681610736488 is an abundant number, since it is smaller than the sum of its proper divisors (294527392371672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

188681610736488 is a wasteful number, since it uses less digits than its factorization.

188681610736488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191749604457 (or 191749604453 counting only the distinct ones).

The product of its (nonzero) digits is 594542592, while the sum is 75.

The spelling of 188681610736488 in words is "one hundred eighty-eight trillion, six hundred eighty-one billion, six hundred ten million, seven hundred thirty-six thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 41 82 123 164 246 328 492 984 191749604407 383499208814 575248813221 766998417628 1150497626442 1533996835256 2300995252884 4601990505768 7861733780687 15723467561374 23585201342061 31446935122748 47170402684122 62893870245496 94340805368244 188681610736488